No abstract available
MeSH terms
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Anemia, Pernicious / congenital*
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Antibodies / analysis
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Duodenum / pathology
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Folic Acid / blood
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Follow-Up Studies
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Gastric Juice / analysis
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Humans
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Immunoassay
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Infant
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Intestinal Absorption
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Intrinsic Factor / analysis
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Male
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Stomach / pathology
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Vitamin B 12 / blood
Substances
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Antibodies
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Intrinsic Factor
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Folic Acid
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Vitamin B 12